//
// Created by Administrator on 2022/12/20.
//
#include <iostream>
#include <vector>
using namespace std;

vector<int> printV(vector<int> pv)
{
    for(int i: pv)
    {
        printf("%d\n",i);
    }
    return pv;
}

int main()
{
    vector<int> v{2,4,6,8,9};
    printV(v);

}